540016441 has 6 divisors (see below), whose sum is σ = 573650990. Its totient is φ = 508250496.

The previous prime is 540016427. The next prime is 540016447. The reversal of 540016441 is 144610045.

It can be written as a sum of positive squares in 3 ways, for example, as 106502400 + 433514041 = 10320^2 + 20821^2 .

It is not a de Polignac number, because 540016441 - 2⁵ = 540016409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540016447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 933996 + ... + 934573.

Almost surely, 2^540016441 is an apocalyptic number.

It is an amenable number.

540016441 is a deficient number, since it is larger than the sum of its proper divisors (33634549).

540016441 is a wasteful number, since it uses less digits than its factorization.

540016441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868603 (or 1868586 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 540016441 is about 23238.2538285474. The cubic root of 540016441 is about 814.3335492909. Note that the first 3 decimals are identical.

Adding to 540016441 its reverse (144610045), we get a palindrome (684626486).

The spelling of 540016441 in words is "five hundred forty million, sixteen thousand, four hundred forty-one".